x11/cinnamon: update to 5.4

Components:
- lang/cjs to 5.4.1
- misc/cinnamon-translations to 5.4.2
- sysutils/cinnamon-control-center to 5.4.6
- sysutils/cinnamon-settings-daemon to 5.4.4
- x11-fm/nemo to 5.4.2
- x11-wm/muffin to 5.4.5
- x11/cinnamon-desktop to 5.4.2
- x11/cinnamon-menus to 5.4.0
- x11/cinnamon-screensaver to 5.4.2
- x11/cinnamon-session to 5.4.0
- x11/cinnamon to 5.4.9
- x11/py-python-xapp to 2.2.2
- x11/xapp to 2.2.14

5.6 is the latest upstream release; this is a stopgap to reduce
delta.

Reviewed by: tcberner (desktop)
Differential Revision: https://reviews.freebsd.org/D37917